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<html>
    <head>
        <title>PointerCancel - touch</title>
        <meta name="viewport" content="width=device-width">
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>
        <script src="/resources/testdriver.js"></script>
        <script src="/resources/testdriver-actions.js"></script>
        <script src="/resources/testdriver-vendor.js"></script>
        <link rel="stylesheet" type="text/css" href="pointerevent_styles.css">
        <!-- Additional helper script for common checks across event types -->
        <script type="text/javascript" src="pointerevent_support.js"></script>
    </head>
    <body class="scrollable" onload="run()">
        <h1>pointercancel test</h1>
        <h3>Warning: this test works properly only for devices that have touchscreen</h3>
        <h4>
        Test Description: This test checks if pointercancel event triggers.
        <p>Start touch over the black rectangle and then move your finger to scroll the page.</p>
        </h4>
        <p>
        <div id="target0" style="background: black"></div>
        <script>
            var detected_pointertypes = {};
            var test_pointerEvent = async_test("pointercancel event received");
            // showPointerTypes is defined in pointerevent_support.js
            // Requirements: the callback function will reference the test_pointerEvent object and
            // will fail unless the async_test is created with the var name "test_pointerEvent".
            add_completion_callback(showPointerTypes);

            var pointerdown_event = null;
            var pointercancel_event = null;

            function run() {
                var target0 = document.getElementById("target0");
                var actions_promise;

                on_event(target0, "pointerdown", function (event) {
                    pointerdown_event = event;
                    detected_pointertypes[event.pointerType] = true;
                });

                on_event(target0, "pointercancel", function (event) {
                    pointercancel_event = event;
                    test_pointerEvent.step(function () {
                        assert_not_equals(pointerdown_event, null, "pointerdown was received: ");
                        const properties = [
                            "pointerId", "width", "height",
                            "pressure", "tangentialPressure", "tiltX", "tiltY",
                            "twist", "altitudeAngle", "azimuthAngle",
                            "pointerType", "isPrimary"
                        ];
                        for (let property in properties) {
                            assert_equals(event[property],
                                    pointerdown_event[property],
                                    property + " should be the same for pointerdown and pointercancel");
                        }
                    });
                    test_pointerEvent.step(function () {
                        check_PointerEvent(event);
                    });
                    test_pointerEvent.step(function () {
                        assert_equals(event.x, 0, "pointercancel.x must be zero");
                        assert_equals(event.y, 0, "pointercancel.x must be zero");
                        assert_equals(event.clientX, 0, "pointercancel.clientX must be zero");
                        assert_equals(event.clientY, 0, "pointercancel.clientY must be zero");
                    });
                });

                on_event(target0, "pointerout", function (event) {
                    test_pointerEvent.step(function () {
                        assert_not_equals(pointercancel_event, null, "pointercancel was received before pointerout: ");
                        assert_equals(event.pointerId, pointerdown_event.pointerId, "pointerId should be the same for pointerout and pointercancel");
                        assert_equals(event.pointerType, pointerdown_event.pointerType, "pointerType should be the same for pointerout and pointercancel");
                        assert_equals(event.isPrimary, pointerdown_event.isPrimary, "isPrimary should be the same for pointerout and pointercancel");
                    });
                });

                on_event(target0, "pointerleave", function (event) {
                    test_pointerEvent.step(function () {
                        assert_not_equals(pointercancel_event, null, "pointercancel was received before pointerleave: ");
                        assert_equals(event.pointerId, pointerdown_event.pointerId, "pointerId should be the same for pointerleave and pointercancel");
                        assert_equals(event.pointerType, pointerdown_event.pointerType, "pointerType should be the same for pointerleave and pointercancel");
                        assert_equals(event.isPrimary, pointerdown_event.isPrimary, "isPrimary should be the same for pointerleave and pointercancel");
                    });
                    // Make sure the test finishes after all the input actions are completed.
                    actions_promise.then( () => {
                        test_pointerEvent.done();
                    });
                });

                // Inject touch inputs.
                actions_promise = touchScrollInTarget(target0, 'down');
            }
        </script>
        <h1>Pointer Events pointercancel Tests</h1>
        <div id="complete-notice">
            <p>The following pointer types were detected: <span id="pointertype-log"></span>.</p>
        </div>
        <div id="log"></div>
    </body>
</html>
